自定义读取配置文件工具

public abstract class ConfigPropertiesUtils {
 
    private static final Logger log = LoggerFactory.getLogger(ConfigProperties.class);
 
    private static final Map<String, Properties> propsMap = new ConcurrentHashMap<String, Properties>();
 
 
    public static void loadConfig(String rootPath) {
        Field[] configFileFieldList = ConfigList.class.getFields();
 
        for (Field field : configFileFieldList) {
            String filename;
            try {
                filename = (String) field.get(new String[0]);
            } catch (Exception e) {
                log.error("Load config file failed.\r\n{}", e.getMessage());
                return;
            }
            String filepath = rootPath + "/WEB-INF/config/" + filename;
            File file = new File(filepath);
            if (!file.exists()) {
                propsMap.put(filename, new Properties());
            } else {
                InputStream inputFile = null;
                try {
                    inputFile = new BufferedInputStream(new java.io.FileInputStream(file.getAbsolutePath()));
 
                    Properties props = new Properties();
                    props.load(inputFile);
                    propsMap.put(filename, props);
                } catch (Exception e) {
                    log.error("Load {} failed.\r\n{}", filename, e.getMessage());
                } finally {
                    try {
                        if (inputFile != null) {
                            inputFile.close();
                        }
                    } catch (IOException e) {
                        log.error(e.getMessage());
                    }
                }
                PasswdPropertyPlaceholder.loadProperties(filepath, propsMap.get(filename));
            }
        }
    }
 
    public static String getKey(String configFile, String key) {
        if (propsMap.isEmpty()) {
            // 不存在配置的时候 先读取一次
           loadConfig(FileUtils.getWebRootPath());
        }
        if (propsMap.containsKey(configFile)) {
            String result = propsMap.get(configFile).getProperty(key);
            if (result != null) {
                return result.trim();
            }
        }
        return "";
    }
}

标签：读取,String,配置文件,propsMap,filename,static,new,inputFile,自定义
来源： https://blog.csdn.net/Be_insighted/article/details/120372233